Calculating CPU load

[Guest tkishore]

I am developing an application in which I want to display CPU load on the screen.

I am using following code to calculate the CPU load

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DWORD dwStartTick = GetTickCount();

DWORD dwIdleSt = GetIdleTime();

Sleep(500);

DWORD dwStopTick = GetTickCount();

DWORD dwIdleEd = GetIdleTime();

DWORD PercentIdle = ((100*(dwIdleEd - dwIdleSt)) / (dwStopTick - dwStartTick));

TCHAR buf[20];

swprintf(buf, TEXT("CPU Load:%d%%"), 100-PercentIdle);

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This code works on most of devices, but on some devices it displays always 100% or –ve number.

In WinCE .Net Help it is mention that “The support of GetIdleTime() function is dependent on the OEM's implementation”. I think because of this I am getting unrealistic values.

Is there any other way of calculating CPU load?

Any suggestions in this regard will be greatly appreciated.

[Guest muff]

firstly I'd ask that these sort of questions went into the developer group, dont really think software is the best place for them

secondly you should be aware that the spv doesn't run WinCE, it runs Smartphone2002 OS

alas I dont know of an idle command in SP2002 OS :)